1991 Chevy Three Quater Ton - drill Centerlink Knuckles - Photo 13

Installation isn't too hard, but it does require drilling out the Tuff Country centerlink and stock knuckles to clear a 9/16-inch bolt. It shouldn't be that hard. Of course, when you are lying under the truck with hot shavings falling down your sleeves and a hefty drill twisting your hands into the frame, you can come up with a few other things you'd rather be doing.